Enhanced two-photon absorption in hydrothermally synthesized LaOTe nanorods for visible light photodetection.

In the present study, lanthanum oxytellurate (LOT) samples with varying La : Te ratios are successfully synthesized using a simple hydrothermal method that has enormous advantages. The prepared samples crystallize in a LaOTe composite phase with an orthorhombic crystal system. A nanorod-like morphology is observed for each sample, and the presence of constituent elements is verified from EDX results.

Virtue of courage as modulator in interactions among oral health beliefs, oral hygiene habits and dietary preferences.

The impact of virtue of courage as mediating and moderating variable in interactions of oral health beliefs with oral hygiene habits and dietary preferences is of interest. A total of 100 patients with a complain of periodontal ailments and dental caries were enrolled from dental institute. 40 items belonging to character strengths of psychological virtue of courage in values in action Inventory of Strength (VIA-IS) Questionnaire and 15 Oral Health Belief Questionnaire items were recorded.

Lumbar and Cervical Concurrent Muscle Activity Analysis During Hamstring Length Testing to Design a Customized Treatment Plan: An Observational Cross-Sectional Study.

Background:  Hamstring length plays a significant role in a spectrum of clinical entities, from injury prevention and gait dysfunction to posture correction. Evidence suggests that the prevalence of hamstring tightness (HT)/reduced length is increasing. Despite the number of available tests and treatment protocols, HT is still a functional diagnosis.

Hydrothermally Synthesized Bi-Doped CdTe Nanoparticles with Tunable Optical and Photoresponse Properties for Visible Photodetectors.

The remarkable applicability and unique properties of CdTe nanoparticles make them vital in various applications such as optoelectronics and photovoltaics. It has been demonstrated that adding a metal dopant to a nanomaterial matrix significantly improves its characteristics, increasing its potential for a variety of applications. In this work, a simple hydrothermal synthesis process for bidoped CdTe nanoparticles is reported, wherein four distinct samples are generated by adjusting the concentration of Bi doping.

Metal organic framework anchored onto biowaste mediated carbon material (rGO) for remediation of chromium (VI) by the photocatalytic process.

Groundwater contaminated with hexavalent chromium Cr(VI) causes serious health concerns for the ecosystem. In this study, a hybrid amino functionalized MOF@rGO nanocatalyst was produced by utilization of a biowaste mediated carbon material (reduced graphene oxide; rGO) and its surface was modified by in situ synthesis of a nanocrystalline, mixed ligand octahedral MOF containing iron metal and NH functional groups and the prepared composite was investigated for Cr (VI) removal. The photocatalytic degradation of Cr(VI) in aqueous solutions was carried out under UV irradiation.

Rapid microwave-assisted synthesis and characterization of a novel CuCoTe nanocomposite material for optoelectronic and dielectric applications.

In the realm of nanomaterial research, copper telluride and cobalt telluride have individually attracted considerable attention owing to their unique properties and potential applications. However, there exists a notable gap in the literature when it comes to the exploration of composite materials derived from these elements. From this point of view, a ternary CuCoTe nanocomposite was prepared using the microwave synthesis method.

Photochemical and gas adsorption studies of Keggin polyoxometalate functionalized porous melamine terephthaldehyde material.

A compound containing a microporous melamine-terephthaldehyde framework is protonated by grinding with acetic acid, resulting in a mesoporous protonated melamine-terephthaldehyde network. The Keggin polyanion [PMoO] is then immobilized into this protonated melamine-terephthaldehyde network through a solid-state reaction. The polyanion interacts with the protonated microporous organic network through electrostatic interaction.

Effects of polyphenols in non-centrifugal cane sugar on saliva secretion: and experiments and a randomized controlled trial.

This study examined the bioactivities and mechanisms of the non-centrifugal cane sugar polyphenols saponarin, schaftoside, and isoschaftoside in the salivary gland and their effects on salivation. In acute isolated C57BL/6N mouse submandibular gland cells, these polyphenols led to a higher increase in intracellular calcium after stimulation with the muscarinic agonist carbachol. Stimulation of these cells with polyphenols enhanced ATP production, aquaporin-5 translocation to the plasma membrane and eliminated intracellular reactive oxygen species generated by HO.

Biodeterioration of polyethylene by jellyfish nematocyst protein.

Plastic pollution is one of the major global problems existing now-a-days and has become a cause of serious concern in coastal and marine ecosystems. Increased accumulation of plastics in the aquatic environment by anthropogenic sources results the alteration of the aquatic ecosystem and its functioning. Several variables have an impact on biodegradation, ranging from microbe species to polymer type, physicochemical qualities, and environmental circumstances.

Light-induced dissolution and concomitant crystallization of a Keggin-type polyoxometalate mimicking a naturally occurring phenomenon.

A suspension of a yellow polycrystalline compound [PPh][PMoO] in -methylformanilide (NMF) (in which it is not soluble), on irradiation with sunlight, initiates dissolution its reduction followed by its crystallization leading to the isolation of single crystals of compound [PPh][PMoMoO]·3CH(CH)NCHO (1). Compounds [PPh][PMoO]·1.75 CH(CH)NCHO (2) and [PPh][PMoO]·2CH(CH)NCHO (3), each containing an oxidized Keggin anion, are obtained at two different temperatures when the corresponding mother liquor is kept in the dark.

Efficacy of intravenous vitamin C in management of moderate and severe COVID-19: A double blind randomized placebo controlled trial.

Aim: To study the efficacy of intravenous vitamin C in management of moderate and severe COVID-19.

Objective: To determine the efficacy of intravenous vitamin C in reducing in-hospital mortality in moderate and severe cases of COVID-19.

Design: Parallel, double-blinded randomized controlled trial with placebo.

Polyoxometalate-Supported Copper(I)-Pyrazole Complex: Unusual Stability, Geometrical Isomers, Organic Transformation, and Computation.

We have described the synthesis and characterization of a polyoxometalate (POM)-supported copper(I)-pyrazole complex, [Cu(CHN)] [PWO{Cu(CHN)}]·CHOH (). There are three Cu(I)-pyrazole coordination complexes in compound , out of which two are supported by the {PWO} Keggin POM by coordinate covalent bonds from the POM surface through oxygen donors to the Cu(I) centers of two Cu(I) complexes and one remains uncoordinated to the POM surface, acting as a cationic complex species in the crystals of . The POM-coordinated Cu(I) complexes have a T-shaped geometry, and the uncoordinated Cu(I) complex is a linear one.

Effect of doping and enhanced microstructures of bismuth titanates as aurivillius perovskites.

The application of metal oxides in industries has been strengthened by the emergence of perovskite-based materials like bismuth titanates (BiTiO -BTO). They display new functionalities coupled with several mechanisms like doping engineering, crystalline and microstructure. Recently, the research on BTO with other doping elements has moved toward enhanced microstructural applications.

Enhanced photocatalytic degradation of caffeine using Co-Zn/AlO nanocomposite.

This work focuses on the synthesis and characterization of photocatalytic activity of Co-Zn/AlO nanocomposite obtained by calcination of Co-loaded Zn/aluminum layered double hydroxide by wet impregnation method. The catalyst was characterized by X-ray diffraction (XRD), Scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), BET and UV-DRS. The evaluation of catalytic activity was investigated for the degradation of emerging pharmaceutical pollutant caffeine in aqueous solutions under UV irradiation.

Silver nanoparticles based spectroscopic sensing of eight metal ions in aqueous solutions.

Anthropogenic releases from different outlets of industry, municipal sewage and the road traffic can give rise to higher concentrations of heavy metals in food commodities which imposes a threat to human health and environment. A simple silver nanoparticle (Ag NPs) used for the sensing of heavy metal ions, Cd, Cu, Fe, Hg, Mn, Ni, Pb and Zn in aqueous solution is described qualitatively and quantitatively using spectroscopic tool. FE-SEM and TEM images confirmed that the particles are spherical in shape with an average diameter of 23.

Solvent mediated reversible solid state photochromism of {MoFe} Keplerate.

When the yellow rhombohedral crystals of Keplerate [Mo72Fe30O252(CH3COO)12{Mo2O7(H2O)}2{H2Mo2O8(H2O)}(H2O)91]·150H2O (1), on wetting with N,N-dimethylformamide (DMF), are irradiated with sunlight, a remarkable reversible solid state photochromic behaviour is achieved with the formation of green coloured crystals (1red). The reduction of the {MoVI} centres to {MoV} is responsible for the observed colour change from yellow to dark green. Importantly, compound 1 can be activated towards photochromism only in the presence of the DMF solvent.

Epilepsy Detection From EEG Using Complex Network Techniques: A Review.

Epilepsy is one of the most chronic brain disorder recorded from since 2000 BC. Almost one-third of epileptic patients experience seizures attack even with medicated treatment. The menace of SUDEP (Sudden unexpected death in epilepsy) in an adult epileptic patient is approximately 8-17% more and 34% in a children epileptic patient.

An aqueous phase TEMPO mediated electrooxidation of 2-thiophenemethanol using MnO-Pi dispersed nanocarbon spheres on a carbon fiber paper electrode.

An environmentally benign and economic method was developed for the electrocatalytic oxidation of 2-thiophenemethanol in an aqueous acidic medium. Nanocarbon spheres (NCS) coated on carbon fiber paper (CFP) were used as a host matrix to disperse manganese dioxide nanoparticles from phosphate buffer solution through electrochemical deposition. The developed electrode (MnO-Pi-NCS/CFP) was used as a working electrode for electrochemical oxidation of 2-thiophenemethanol in the presence of a mediator TEMPO in 0.

Automated epilepsy detection techniques from electroencephalogram signals: a review study.

Epilepsy is a serious neurological condition which contemplates as top 5 reasons for avoidable mortality from ages 5-29 in the worldwide. The avoidable deaths due to epilepsy can be reduced by developing efficient automated epilepsy detection or prediction machines or software. To develop an automated epilepsy detection framework, it is essential to properly understand the existing techniques and their benefit as well as detriment also.

A high-density genetic map and molecular sex-typing assay for gerbils.

We constructed a high-density genetic map for Mongolian gerbils (Meriones unguiculatus). We genotyped 137 F2 individuals with a genotype-by-sequencing (GBS) approach at over 10,000 loci and built the genetic map using a two-step approach. First, we chose the highest-quality set of 485 markers to construct a robust map of 1239 cM with 22 linkage groups as expected from the published karyotype.

A Reversible Redox Reaction in a Keggin Polyoxometalate Crystal Driven by Visible Light: A Programmable Solid-State Photochromic Switch.

The colourless crystals of (PPh ) [PW O ]⋅3 C H NO (1) are converted to the dark blue crystals of {(PPh ) [PW O ]⋅3C H NO} {(PPh ) (C H NO) [PW W O ] ⋅2C H NO)} (2) upon irradiation with visible light in an interesting single crystal to single crystal transformation. This photochromic conversion is accompanied by the reduction of concerned Keggin anion from {PW } to {PW W }. This redox conversion is characterized by various spectroscopic techniques including single crystal X-ray diffraction studies.

Carbon nanospheres derived from Lablab purpureus for high performance supercapacitor electrodes: a green approach.

Carbon nanospheres derived from a natural source using a green approach were reported. Lablab purpureus seeds were pyrolyzed at different temperatures to produce carbon nanospheres for supercapacitor electrode materials. The synthesized carbon nanospheres were analyzed using SEM, TEM, FTIR, TGA, Raman spectroscopy, BET and XRD.

Isolation of Blackberry-Shaped Nanoparticles of a Giant {MoFe} Cluster and Their Transformation to a Crystalline Nanoferric Molybdate.

When an aqueous solution of sodium molybdate is added to an aqueous solution of ferric chloride, acidified with acetic acid, a giant {MoFe} cluster is instantaneously formed as the amorphous substance Na[MoFeO(CHCOO)(OH)(HO)]·180 HO (1). Compound 1 consists of aggregated nanovesicles of {MoFe} clusters, as confirmed by field-emission scanning electron microscopy and transmission electron microscopy images of 1. An aqueous suspension of 1 upon moderate heating results in the formation of crystalline nanoferric molybdate, which gives insight into understanding the formation of a yellow coating mineral, ferrimolybdite, frequently found on the ores of molybdenum.

Can Be a Bimetal Oxide ZnO-MgO Nanoparticles Anticancer Drug Carrier and Deliver? Doxorubicin Adsorption/Release Study.

Bimetal oxide ZnO-MgO nanoparticles were synthesised by precipitation method at low temperature and characterised by analytical techniques such as XRD, SEM and FT-IR. In order to know the efficiency of uptake and release of anticancer drug, the adsorption and release of doxorubicin, on bimetal oxide nanoparticles was performed in dark room at room temperature. The adsorption models such as Henry, Freundlich and Langmuir models were validated with obtained experimental data.

Fate of a giant {Mo72Fe30}-type polyoxometalate cluster in an aqueous solution at higher temperature: understanding related Keplerate chemistry, from molecule to material.

When the giant icosahedral {Mo72Fe30} cluster containing compound [Mo72Fe30O252(CH3COO)12{Mo2O7(H2O)}2{H2Mo2O8(H2O)}(H2O)91]·150H2O (1) is refluxed in water for 36 h, it results in the formation of nanoiron molybdate, Fe2(MoO4)3, in the form of a yellow precipitate; this simple approach not only generates nanoferric molybdate at a moderate temperature but also helps to understand the stability of {Mo72Fe30} in terms of the linker-pentagon complementary relationship.